This inventor holds 2 USPTO granted patents. Top assignees: Optex Corporation, At+t Corp.. Active years: 1996-1998.
Company Filing History:
2 out of 23 
1 out of 4,208 
Years Active: 1996-1998
Title: Innovator Spotlight: John M. Gerpheide
Introduction: John M. Gerpheide, a notable inventor based in Silver Spring, MD, has made significant contributions to the field of data encoding and multi-level recording. With a total of two patents under his name, Gerpheide has demonstrated his expertise in innovative technologies that enhance data storage efficiency.
Latest Patents: Gerpheide's most recent patents include groundbreaking work on M-ary (d,k) runlength limited coding for multi-level data. This system encodes digital data using an M-ary (d,k) code to create multi-level coded data, significantly improving the storage capabilities of digital communications. The M-ary (d,k) encoder accepts digital input data and produces a plurality of code symbols, each represented at one of M levels, improving data density on storage media.
Another significant patent is the partial response coding for a multi-level optical recording channel. This technology records binary data as multi-level data on multi-amplitude recording media, effectively requiring fewer bits to represent a larger number of symbols. By utilizing a diffraction-limited write laser, Gerpheide’s innovation achieves a smaller write-spot size, allowing for greater data density and efficiency in optical data storage.
Career Highlights: John M. Gerpheide has worked with prominent companies such as Optex Corporation and AT&T Corp., where he utilized his expertise to develop cutting-edge audio and data transmission technologies. His contributions have played a crucial role in advancing the field of digital data storage and communication.
Collaborations: Throughout his career, Gerpheide has collaborated with esteemed colleagues, including Steven W. McLaughlin and Arthur Robert Calderbank. These partnerships have facilitated the development and refinement of innovative technologies that continue to shape the data encoding landscape.
Conclusion: John M. Gerpheide stands out as a visionary inventor whose work has significantly impacted the realms of data encoding and storage solutions. His innovative patents reflect a dedication to enhancing the efficiency of multi-level data systems, which are essential in our increasingly digital world.